Floor polishing machine



FIG. 1 is a right front perspective view of a floor polishing machine in a first position showing our new design;

FIG. 2 is a left rear perspective view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a right side elevation view there;

FIG. 9 is a right side elevation view in a second position thereof;

FIG. 10 is a right side elevation view in a third position thereof;

FIG. 11 is a right side elevation view in a fourth position thereof;

FIG. 12 is a right side elevation view in a fifth position thereof; and,

FIG. 13 is a right side elevation view in a sixth position thereof.

The broken lines in the figures show portions of the floor polishing machine that form no part of the claimed design. 

CLAIM We claim the ornamental design for a floor polishing machine, as shown and described. 